| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | (37C-01-11201) | ENGINE, ASSY. | ||
| \0 | (37C-01-11202) | ENGINE, ASSY. | ||
| 1 | YM729908-01560 | CYLINDER BLOCK, ASSY. | ||
| 5 | YM129900-01250 | PLUG | ||
| 6 | YM171051-01921 | PLUG | ||
| 7 | YM129900-02020 | SCREW | ||
| 10 | YM129900-02410 | BUSHING | ||
| 11 | YM22351-060012 | SPRING PIN | ||
| 12 | YM23876-030000 | PLUG | ||
| 13 | YM23876-030000 | PLUG | ||
| 14 | YM23876-030000 | PLUG | ||
| 15 | YM27241-300000 | PLUG | ||
| 25 | YM729900-02800 | BEARING | ||
| 25 | YM129900-02340 | BEARING (--0.25 mm) | ||
| 28 | YM129900-02930 | BEARING, THRUST | ||
| 28 | YM129900-02940 | BEARING, THRUST (+0.25 mm) | ||
| 31 | YM129900-01200 | STUD | ||
| 32 | YM129907-01330 | GASKET | ||
| 33 | YM129907-01190 | SPACER |